WhyFillU.S. Citizenship and Immigration Services
I-539: Application to Extend/Change Nonimmigrant Status
What this form is for
These USCIS forms cover green cards, work permits, travel papers, and other immigration requests. Each form has its own fee and its own way to file. The blank form and official instructions are free at uscis.gov.
About this form
- Who it is for
- Visitors and temporary visa holders extending or changing their nonimmigrant status without leaving the U.S.
- How filing works
- Filed with USCIS before the current stay expires. You may stay while it is pending, but travel can cancel the request.
- What WhyFill does for you
- WhyFill explains each question in your language and prefills your passport and entry details from your profile.
What you get with WhyFill
We're still building this form. When it's ready, your WhyFill fee covers:
- The official form, filled in with your answers
- A guided interview in English, Spanish, or Chinese
- A free watermarked preview you check before paying
- A filing checklist: where to file, what to include, what it costs
The government side
Government filing fee: $470
You pay any government filing fee directly to the agency, never to us.
The blank form and the official instructions are free at the agency's website.
You review, sign, and file the completed form yourself.
Get it free at the agency site